#pragma header
uniform float u_time;
float amount = 6.;
float random2d(vec2 v2){
	return fract(sin(dot(v2, vec2(12.9898, 78.233))) * 43758.5496);
}
void main(void){
	#pragma body
	color.rgb += (random2d(openfl_TextureCoordv) - 0.5) * amount;
	gl_FragColor = color;
}